Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 41, NWS Atlanta, GA

April 29, 2002Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 29, 2002, 2:03 AM EDT for Troup County, Georgia. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 29, 2002, 2:03 AM EDT (06:03 UTC)
Expired
Apr 29, 2002, 2:45 AM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Troup County, GA

The radar

The Atlanta radar (KFFC), 61 km from the middle of the area, began a volume at 06:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 29, 2:15 AM EDTThunderstorm WindLa Grange, GAThe Troup county 911 center reported that several trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.1 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2002-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1915 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2002-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1915 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

102 
WUUS52 KFFC 290603
SVRATL
GAC285-290645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
203 AM EDT MON APR 29 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TROUP COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 245 AM EDT

* AT 100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES NORTHWEST OF LA GRANGE...MOVING
  SOUTHEAST AT 35 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LA GRANGE.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3315 8518 3304 8531 3287 8495 3304 8487

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 8:04 PM EDTSevere Thunderstorm WarningFFCGordon26 min
Apr 28, 8:16 PM EDTSevere Thunderstorm WarningFFCBartow29 min
Apr 28, 8:33 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee27 min
Apr 28, 9:14 PM EDTSevere Thunderstorm WarningFFCCherokee, Fulton31 min
Apr 28, 9:27 PM EDTSevere Thunderstorm WarningFFCGwinnett48 min
Apr 28, 9:40 PM EDTTornado WarningFFCGwinnett35 min
Apr 28, 9:42 PM EDTSevere Thunderstorm WarningFFCDeKalb33 min
Apr 28, 9:53 PM EDTTornado WarningFFCDeKalb37 min
Apr 28, 10:03 PM EDTSevere Thunderstorm WarningFFCRockdale, Walton42 min
Apr 28, 10:22 PM EDTSevere Thunderstorm WarningFFCChattooga23 min
Apr 28, 10:22 PM EDTSevere Thunderstorm WarningFFCNewton53 min
Apr 28, 10:47 PM EDTSevere Thunderstorm WarningFFCFloyd28 min
Apr 28, 10:50 PM EDTTornado WarningFFCNewton, Walton25 min
Apr 28, 10:55 PM EDTSevere Thunderstorm WarningFFCMorgan50 min
Apr 28, 11:02 PM EDTSevere Thunderstorm WarningFFCFloyd28 min
Apr 29, 12:01 AM EDTSevere Thunderstorm WarningFFCCarroll29 min
Apr 29, 12:32 AM EDTSevere Thunderstorm WarningFFCCoweta43 min
Apr 29, 1:06 AM EDTSevere Thunderstorm WarningFFCFayette24 min
Apr 29, 2:27 AM EDTSevere Thunderstorm WarningFFCLamar, Monroe33 min
Apr 29, 3:09 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Monroe36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.